arch/arm/mach-omap1/board-innovator.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-innovator.c
   3  *
   4  * Board specific inits for OMAP-1510 and OMAP-1610 Innovator
   5  *
   6  * Copyright (C) 2001 RidgeRun, Inc.
   7  * Author: Greg Lonnon <glonnon@ridgerun.com>
   8  *
   9  * Copyright (C) 2002 MontaVista Software, Inc.
  10  *
  11  * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
  12  * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License version 2 as
  16  * published by the Free Software Foundation.
  17  */
  18
  19 #include <linux/kernel.h>
  20 #include <linux/init.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/delay.h>
  23 #include <linux/mtd/mtd.h>
  24 #include <linux/mtd/partitions.h>
  25
  26 #include <asm/hardware.h>
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/flash.h>
  30 #include <asm/mach/map.h>
  31
  32 #include <asm/arch/mux.h>
  33 #include <asm/arch/fpga.h>
  34 #include <asm/arch/gpio.h>
  35 #include <asm/arch/tc.h>
  36 #include <asm/arch/usb.h>
  37 #include <asm/arch/common.h>
  38
  39 static struct mtd_partition innovator_partitions[] = {
  40         /* bootloader (U-Boot, etc) in first sector */
  41         {
  42               .name             = "bootloader",
  43               .offset           = 0,
  44               .size             = SZ_128K,
  45               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  46         },
  47         /* bootloader params in the next sector */
  48         {
  49               .name             = "params",
  50               .offset           = MTDPART_OFS_APPEND,
  51               .size             = SZ_128K,
  52               .mask_flags       = 0,
  53         },
  54         /* kernel */
  55         {
  56               .name             = "kernel",
  57               .offset           = MTDPART_OFS_APPEND,
  58               .size             = SZ_2M,
  59               .mask_flags       = 0
  60         },
  61         /* rest of flash1 is a file system */
  62         {
  63               .name             = "rootfs",
  64               .offset           = MTDPART_OFS_APPEND,
  65               .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
  66               .mask_flags       = 0
  67         },
  68         /* file system */
  69         {
  70               .name             = "filesystem",
  71               .offset           = MTDPART_OFS_APPEND,
  72               .size             = MTDPART_SIZ_FULL,
  73               .mask_flags       = 0
  74         }
  75 };
  76
  77 static struct flash_platform_data innovator_flash_data = {
  78         .map_name       = "cfi_probe",
  79         .width          = 2,
  80         .parts          = innovator_partitions,
  81         .nr_parts       = ARRAY_SIZE(innovator_partitions),
  82 };
  83
  84 static struct resource innovator_flash_resource = {
  85         .start          = OMAP_CS0_PHYS,
  86         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
  87         .flags          = IORESOURCE_MEM,
  88 };
  89
  90 static struct platform_device innovator_flash_device = {
  91         .name           = "omapflash",
  92         .id             = 0,
  93         .dev            = {
  94                 .platform_data  = &innovator_flash_data,
  95         },
  96         .num_resources  = 1,
  97         .resource       = &innovator_flash_resource,
  98 };
  99
 100 #ifdef CONFIG_ARCH_OMAP15XX
 101
 102 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 103 static struct map_desc innovator1510_io_desc[] __initdata = {
 104         {
 105                 .virtual        = OMAP1510_FPGA_BASE,
 106                 .pfn            = __phys_to_pfn(OMAP1510_FPGA_START),
 107                 .length         = OMAP1510_FPGA_SIZE,
 108                 .type           = MT_DEVICE
 109         }
 110 };
 111
 112 static struct resource innovator1510_smc91x_resources[] = {
 113         [0] = {
 114                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
 115                 .end    = OMAP1510_FPGA_ETHR_START + 0xf,
 116                 .flags  = IORESOURCE_MEM,
 117         },
 118         [1] = {
 119                 .start  = OMAP1510_INT_ETHER,
 120                 .end    = OMAP1510_INT_ETHER,
 121                 .flags  = IORESOURCE_IRQ,
 122         },
 123 };
 124
 125 static struct platform_device innovator1510_smc91x_device = {
 126         .name           = "smc91x",
 127         .id             = 0,
 128         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
 129         .resource       = innovator1510_smc91x_resources,
 130 };
 131
 132 static struct platform_device *innovator1510_devices[] __initdata = {
 133         &innovator_flash_device,
 134         &innovator1510_smc91x_device,
 135 };
 136
 137 #endif /* CONFIG_ARCH_OMAP15XX */
 138
 139 #ifdef CONFIG_ARCH_OMAP16XX
 140
 141 static struct resource innovator1610_smc91x_resources[] = {
 142         [0] = {
 143                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
 144                 .end    = INNOVATOR1610_ETHR_START + 0xf,
 145                 .flags  = IORESOURCE_MEM,
 146         },
 147         [1] = {
 148                 .start  = OMAP_GPIO_IRQ(0),
 149                 .end    = OMAP_GPIO_IRQ(0),
 150                 .flags  = IORESOURCE_IRQ,
 151         },
 152 };
 153
 154 static struct platform_device innovator1610_smc91x_device = {
 155         .name           = "smc91x",
 156         .id             = 0,
 157         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
 158         .resource       = innovator1610_smc91x_resources,
 159 };
 160
 161 static struct platform_device *innovator1610_devices[] __initdata = {
 162         &innovator_flash_device,
 163         &innovator1610_smc91x_device,
 164 };
 165
 166 #endif /* CONFIG_ARCH_OMAP16XX */
 167
 168 static void __init innovator_init_smc91x(void)
 169 {
 170         if (cpu_is_omap1510()) {
 171                 fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
 172                            OMAP1510_FPGA_RST);
 173                 udelay(750);
 174         } else {
 175                 if ((omap_request_gpio(0)) < 0) {
 176                         printk("Error requesting gpio 0 for smc91x irq\n");
 177                         return;
 178                 }
 179         }
 180 }
 181
 182 void innovator_init_irq(void)
 183 {
 184         omap_init_irq();
 185         omap_gpio_init();
 186 #ifdef CONFIG_ARCH_OMAP15XX
 187         if (cpu_is_omap1510()) {
 188                 omap1510_fpga_init_irq();
 189         }
 190 #endif
 191         innovator_init_smc91x();
 192 }
 193
 194 #ifdef CONFIG_ARCH_OMAP15XX
 195 static struct omap_usb_config innovator1510_usb_config __initdata = {
 196         /* for bundled non-standard host and peripheral cables */
 197         .hmc_mode       = 4,
 198
 199         .register_host  = 1,
 200         .pins[1]        = 6,
 201         .pins[2]        = 6,            /* Conflicts with UART2 */
 202
 203         .register_dev   = 1,
 204         .pins[0]        = 2,
 205 };
 206
 207 static struct omap_lcd_config innovator1510_lcd_config __initdata = {
 208         .panel_name     = "inn1510",
 209         .ctrl_name      = "internal",
 210 };
 211 #endif
 212
 213 #ifdef CONFIG_ARCH_OMAP16XX
 214 static struct omap_usb_config h2_usb_config __initdata = {
 215         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 216         .otg            = 2,
 217
 218 #ifdef  CONFIG_USB_GADGET_OMAP
 219         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
 220         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
 221 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 222         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 223         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
 224 #endif
 225
 226         .pins[1]        = 3,
 227 };
 228
 229 static struct omap_lcd_config innovator1610_lcd_config __initdata = {
 230         .panel_name     = "inn1610",
 231         .ctrl_name      = "internal",
 232 };
 233 #endif
 234
 235 static struct omap_mmc_config innovator_mmc_config __initdata = {
 236         .mmc [0] = {
 237                 .enabled        = 1,
 238                 .wire4          = 1,
 239                 .wp_pin         = OMAP_MPUIO(3),
 240                 .power_pin      = -1,   /* FPGA F3 UIO42 */
 241                 .switch_pin     = -1,   /* FPGA F4 UIO43 */
 242         },
 243 };
 244
 245 static struct omap_uart_config innovator_uart_config __initdata = {
 246         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 247 };
 248
 249 static struct omap_board_config_kernel innovator_config[] = {
 250         { OMAP_TAG_USB,         NULL },
 251         { OMAP_TAG_LCD,         NULL },
 252         { OMAP_TAG_MMC,         &innovator_mmc_config },
 253         { OMAP_TAG_UART,        &innovator_uart_config },
 254 };
 255
 256 static void __init innovator_init(void)
 257 {
 258 #ifdef CONFIG_ARCH_OMAP15XX
 259         if (cpu_is_omap1510()) {
 260                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 261         }
 262 #endif
 263 #ifdef CONFIG_ARCH_OMAP16XX
 264         if (!cpu_is_omap1510()) {
 265                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 266         }
 267 #endif
 268
 269 #ifdef CONFIG_ARCH_OMAP15XX
 270         if (cpu_is_omap1510()) {
 271                 innovator_config[0].data = &innovator1510_usb_config;
 272                 innovator_config[1].data = &innovator1510_lcd_config;
 273         }
 274 #endif
 275 #ifdef CONFIG_ARCH_OMAP16XX
 276         if (cpu_is_omap1610()) {
 277                 innovator_config[0].data = &h2_usb_config;
 278                 innovator_config[1].data = &innovator1610_lcd_config;
 279         }
 280 #endif
 281         omap_board_config = innovator_config;
 282         omap_board_config_size = ARRAY_SIZE(innovator_config);
 283         omap_serial_init();
 284 }
 285
 286 static void __init innovator_map_io(void)
 287 {
 288         omap_map_common_io();
 289
 290 #ifdef CONFIG_ARCH_OMAP15XX
 291         if (cpu_is_omap1510()) {
 292                 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 293                 udelay(10);     /* Delay needed for FPGA */
 294
 295                 /* Dump the Innovator FPGA rev early - useful info for support. */
 296                 printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
 297                        fpga_read(OMAP1510_FPGA_REV_HIGH),
 298                        fpga_read(OMAP1510_FPGA_REV_LOW),
 299                        fpga_read(OMAP1510_FPGA_BOARD_REV));
 300         }
 301 #endif
 302 }
 303
 304 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 305         /* Maintainer: MontaVista Software, Inc. */
 306         .phys_io        = 0xfff00000,
 307         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 308         .boot_params    = 0x10000100,
 309         .map_io         = innovator_map_io,
 310         .init_irq       = innovator_init_irq,
 311         .init_machine   = innovator_init,
 312         .timer          = &omap_timer,
 313 MACHINE_END